/Engine/Source/Developer/HierarchicalLODUtilities/Public/HierarchicalLODUtilities.h
Creates or retrieves the HLOD package that is created for the given level
virtual [UPackage](API\Runtime\CoreUObject\UObject\UPackage) * CreateOrRetrieveLevelHLODPackage ( const [ULevel](API\Runtime\Engine\Engine\ULevel) * InLevel, const uint32 HLODLevelIndex )